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Access: Text , Memo or VarChar ? Which one to use?

What's the differen开发者_运维问答ce between VarChar, Text and Memo in Microsoft Access?


According to this page

  • Access Text is equivalent to sql server VARCHAR
  • Access Memo is equivalent to sql server TEXT


How can be ACCESS : MEMO is equivalent to while MEMO is UNICODE in Access while VARCHAR in SQL SERVER is Non-Unicoe

Each byte is 1 byte in varchar , but in MEMO it is 2 bytes

The EQUIVALENT datatype for MEMO is NVARCHAR in sql server.

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